package com.neuedu.web.controller.common;
import com.neuedu.cockpit.domain.HmFilePath;
import com.neuedu.cockpit.service.IHmFilePathService;
import com.neuedu.common.config.NeueduConfig;
import com.neuedu.common.constant.Constants;
import com.neuedu.common.core.domain.AjaxResult;
import com.neuedu.common.core.domain.entity.SysUser;
import com.neuedu.common.core.domain.model.LoginUser;
import com.neuedu.common.utils.StringUtils;
import com.neuedu.common.utils.file.FileUploadUtils;
import com.neuedu.common.utils.file.FileUtils;
import com.neuedu.framework.config.ServerConfig;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import static com.neuedu.common.utils.SecurityUtils.getLoginUser;

/**
 * 通用请求处理
 *
 * @author neuedu
 */
@Slf4j
@RestController
@RequestMapping("/common")
public class CommonController {

    @Autowired
    private ServerConfig serverConfig;
    private static final String FILE_DELIMETER = ",";

    @Autowired
    private IHmFilePathService iHmFilePathService;
    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete   是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        try {
            if (!FileUtils.checkAllowDownload(fileName)) {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = NeueduConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete) {
                FileUtils.deleteFile(filePath);
            }
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    public AjaxResult uploadFile(MultipartFile file) throws Exception
    {
        try {
            // 上传文件路径
            String filePath = NeueduConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            String url = serverConfig.getUrl() + fileName;
            AjaxResult ajax = AjaxResult.success();
            ajax.put("url", url);
            ajax.put("fileName", fileName);
            ajax.put("newFileName", FileUtils.getName(fileName));
            ajax.put("originalFilename", file.getOriginalFilename());
            System.out.println("fileName:"+fileName);
            System.out.println("url:"+url);
            System.out.println("newFileName:"+FileUtils.getName(fileName));
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

        /**
         * 通用上传请求（单个） 鸿蒙OS-NEXT
         */
        @PostMapping("/uploadV5")
        public ResponseEntity<AjaxResult> uploadFileV5(@RequestBody MultipartFile file) {
            try {
                // 上传文件路径
                String filePath = NeueduConfig.getUploadPath();
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                AjaxResult ajax = AjaxResult.success();
                ajax.put("url", url);
                ajax.put("fileName", fileName);
                ajax.put("newFileName", FileUtils.getName(fileName));
                ajax.put("originalFilename", file.getOriginalFilename());

                // 创建一个HttpHeaders对象
                HttpHeaders headers = new HttpHeaders();

                // 向Header中添加自定义数据
                headers.add("fileName", fileName);

                // 创建一个响应实体，并设置响应体和Header
                ResponseEntity<AjaxResult> responseEntity = ResponseEntity.ok()
                        .headers(headers)
                        .body(ajax);

                return responseEntity;
            } catch (Exception e) {
                return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                        .header("Custom-Header", "Custom-Value")
                        .body(AjaxResult.error(e.getMessage()));
            }
        }
    /**
     * 鸿蒙上次图片特定接口
     */
    @PostMapping("/uploadFeedback")
    public AjaxResult uploadFeedback(MultipartFile file) throws Exception
    {
        try {
            // 上传文件路径
            String filePath = NeueduConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);

            LoginUser loginUser = getLoginUser();
            SysUser user = loginUser.getUser();
            HmFilePath hmFilePath = new HmFilePath();
            hmFilePath.setFilePath(fileName);
            hmFilePath.setFileName(file.getOriginalFilename());
            hmFilePath.setCreateTime(new Date());
            hmFilePath.setCreateBy(user.getUserName());
            iHmFilePathService.insertHmFilePath(hmFilePath);

            return AjaxResult.success();
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception {
        try {
            // 上传文件路径
            String filePath = NeueduConfig.getUploadPath();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
            for (MultipartFile file : files) {
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());
            }
            AjaxResult ajax = AjaxResult.success();
            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
        try {
            if (!FileUtils.checkAllowDownload(resource)) {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = NeueduConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }

}
